VOLCANIC

Liable to erupt (8)

Solution has appeared in 2 crosswords (2 across and 0 down):

• Quick crossword No 16,330 — 2022-09-07 23:00:00
  17A: Explosively unstable (8)
• Quick crossword No 15,630 — 2020-06-10 23:00:34
  12A: Liable to erupt (8)